diff --git a/ChangeLog b/ChangeLog
index a3c101f18a..4ece8f1fca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-### 3.9.0dev <- NOTE: the release version number will be 3.9.1 ###
+### 3.9.1rc1 ###
 
 - Client: Improved performance of GUI when someone joins or leaves a server (#2738).
   (contributed by @ann0see)
diff --git a/Jamulus.pro b/Jamulus.pro
index aa4f64bd8c..24ec87f9f5 100644
--- a/Jamulus.pro
+++ b/Jamulus.pro
@@ -1,4 +1,4 @@
-VERSION = 3.9.0dev
+VERSION = 3.9.1rc1
 
 # use target name which does not use a capital letter at the beginning
 contains(CONFIG, "noupcasename") {